Protection device for a fire-fighting instrument



FIG. 1 is a perspective view of a protection device disposed about a fire-fighting instrument embodied as a sprinkler.

FIG. 2 is a perspective view of the protection device of FIG. 1.

FIG. 3 is another perspective view of the protection device of FIG. 2.

FIG. 4 is a plan view of a one side of the protection device of FIG. 2.

FIG. 5 is a plan view of another side of the protection device in FIG. 2 and opposite the side shown in FIG. 4.

FIG. 6 is an end view of the protection device of FIG. 2.

FIG. 7 is another end view of the protection device of FIG. 2 and opposite the end

FIG. 8 is a plan view of the top of the protection device of FIG. 2.

FIG. 9 is a plan view of the bottom of the protection device of FIG. 2; and,

FIG. 10 is another perspective view shown in open position.

The broken lines are for the purpose of illustrating unclaimed portions of the protection device and the surrounding environmental structure and forms no part of the claimed design. 

An ornamental design for a protection device for a fire-fighting instrument, as shown and described. 